"optical switch" meaning in English

{
  "forms": [
    {
      "form": "optical switches",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "optical switch (plural optical switches)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Telecommunications",
          "orig": "en:Telecommunications",
          "parents": [
            "Communication",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A switch that can selectively change signals between optical fibers or integrated optical circuits."
      ],
      "id": "en-optical_switch-en-noun-DJDqOjI0",
      "links": [
        [
          "telecommunications",
          "telecommunications"
        ],
        [
          "switch",
          "switch"
        ],
        [
          "optical fiber",
          "optical fiber"
        ],
        [
          "integrated optical circuit",
          "integrated optical circuit"
        ]
      ],
      "raw_glosses": [
        "(telecommunications) A switch that can selectively change signals between optical fibers or integrated optical circuits."
      ],
      "topics": [
        "communications",
        "electrical-engineering",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "telecommunications"
      ],
      "wikipedia": [
        "optical switch"
      ]
    }
  ],
  "word": "optical switch"
}

{
  "forms": [
    {
      "form": "optical switches",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "optical switch (plural optical switches)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Telecommunications"
      ],
      "glosses": [
        "A switch that can selectively change signals between optical fibers or integrated optical circuits."
      ],
      "links": [
        [
          "telecommunications",
          "telecommunications"
        ],
        [
          "switch",
          "switch"
        ],
        [
          "optical fiber",
          "optical fiber"
        ],
        [
          "integrated optical circuit",
          "integrated optical circuit"
        ]
      ],
      "raw_glosses": [
        "(telecommunications) A switch that can selectively change signals between optical fibers or integrated optical circuits."
      ],
      "topics": [
        "communications",
        "electrical-engineering",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "telecommunications"
      ],
      "wikipedia": [
        "optical switch"
      ]
    }
  ],
  "word": "optical switch"
}